The magic number is the combined number of wins by the first-place team and losses by the trailing team that will eliminate the trailing team from winning the division.
Here is how the magic numbers for Major League Baseball's division titles look on the morning of Friday, Sept. 23:
AL East
First-place team: Red Sox
Magic number to eliminate:
2. Blue Jays (5)
3. Orioles (3)
4. Yankees (1)
5. Rays (Eliminated)
AL Central
First-place team: Indians
Magic number to eliminate:
2.